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Network Security Engineer Jobs in Colorado (NOW HIRING)

Senior Information Security Engineer

Lafayette, CO · On-site +1

$110K - $150K/yr

Own Cisco Meraki security, VPN infrastructure, network security controls, and secure cloud ... Partner with DevOps to integrate security into CI/CD pipelines, Infrastructure as Code, containers ...

Own Cisco Meraki security, VPN infrastructure, network security controls, and secure cloud ... Partner with DevOps to integrate security into CI/CD pipelines, Infrastructure as Code, containers ...

Network Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position ... In this role, you will ensure the reliability, security, and scalability of our network systems ...

Network Engineer

Aurora, CO · On-site

$85 - $115/hr

Network Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position ... In this role, you will ensure the reliability, security, and scalability of our network systems ...

Network Security Administrator Standard Hours: 40 hours per week, Monday through Friday. On-Call Rotation Location: Denver, CO 80203 (Remote) Duration: 9+ month of contract 1. Objective The objective ...

IT Security Engineer III

Fort Collins, CO · On-site

$105K - $137K/yr

The engineer will design, implement, and optimize network security controls and play a key role in driving broader security operations, incident response, and security program maturity across the ...

IT Security Engineer III

Fort Collins, CO · On-site

$105K - $137K/yr

The engineer will design, implement, and optimize network security controls and play a key role in driving broader security operations, incident response, and security program maturity across the ...

Showing results 41-60

Network Security Engineer information

See Colorado salary details

$22.1K

$131.4K

$175.6K

How much do network security engineer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for network security engineer in Colorado is $131,385.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,900.00 and $150,400.00 per year, depending on experience, location, and employer.

What is a network security engineer?

Network Security Engineers are IT professionals responsible for protecting an organization's computer networks from security threats and unauthorized access. They design, implement, and maintain security measures such as firewalls, intrusion detection systems, and encryption protocols. Their role involves monitoring network traffic, responding to security incidents, and ensuring compliance with security policies and regulations. Network Security Engineers also conduct regular vulnerability assessments and work to keep systems up to date against evolving cyber threats.

What does a network security engineer do?

As a network security engineer, your job duties include configuring routers, switches, firewalls, virtual private networks (VPNs), and other network monitoring tools against intrusions. You need technical, analytical, and problem-solving skills to carry out your network security tasks. Your job is to ensure that your company’s internal networks are protected from potential online threats, like hackers and malware that can steal or corrupt sensitive data from websites, computer programs, databases, and servers. You need to remain current with new developments in the field to master fast-evolving network security technologies.

What are the key skills and qualifications needed to thrive as a network security engineer?

To thrive as a Network Security Engineer, you need a solid understanding of networking protocols, firewall management, vulnerability assessment, and typically a bachelor's degree in computer science or a related field. Familiarity with security tools like IDS/IPS, SIEM systems, and certifications such as CISSP or CompTIA Security+ are highly valued. Strong analytical thinking, attention to detail, and effective communication skills help distinguish top professionals in this role. These skills are crucial for safeguarding organizational data, identifying security threats, and ensuring robust network protection.

What are some common challenges faced by network security engineers in maintaining secure and efficient networks?

Network Security Engineers often encounter challenges such as staying ahead of rapidly evolving cyber threats, ensuring minimal downtime during security upgrades, and balancing strong security measures with network performance. Additionally, they must work closely with IT teams and end-users to implement security policies without disrupting daily operations. Keeping up with compliance standards and effectively communicating risks and solutions to non-technical stakeholders are also important aspects of the role.

What is the difference between Network Security Engineer vs Security Analyst?

AspectNetwork Security EngineerSecurity Analyst
CertificationsCCNA, CISSP, CompTIA Security+CISSP, GIAC Security Essentials, CompTIA Security+
Work EnvironmentDesigning, implementing, and maintaining security infrastructureMonitoring, analyzing, and responding to security incidents
Employer & Industry UsageIT departments, cybersecurity firms, large enterprisesCorporate security teams, government agencies, financial institutions

While both roles focus on cybersecurity, Network Security Engineers primarily design and implement security systems, whereas Security Analysts monitor and respond to security threats. They often work together to ensure comprehensive protection of organizational networks.

Are network security engineers in demand?

Network security engineers are in high demand due to increasing cybersecurity threats and the need for organizations to protect their digital assets. The role requires skills in firewalls, intrusion detection, and security protocols, and often benefits from certifications like CISSP or CEH. Job growth in this field is expected to remain strong as cybersecurity remains a top priority for businesses worldwide.

What are the most commonly searched types of Network Security Engineer jobs in Colorado?

The most popular types of Network Security Engineer jobs in Colorado are:

What are popular job titles related to Network Security Engineer jobs in Colorado?

For Network Security Engineer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Network Security Engineer jobs in Colorado look for?

The top searched job categories for Network Security Engineer jobs in Colorado are:

What cities in Colorado are hiring for Network Security Engineer jobs?

Cities in Colorado with the most Network Security Engineer job openings:

Infographic showing various Network Security Engineer job openings in Colorado as of August 2026, with employment types broken down into 100% Contract. Highlights an 100% Remote job distribution, with an average salary of $131,385 per year, or $63.2 per hour.

Staff Mission Network Engineer with Security Clearance

True Anomaly. Inc.

Denver, CO • On-site

$107K - $147K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago

New


Job description

Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it. OUR MISSION True Anomaly delivers decisive capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors - enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground. OUR VALUES * Be the offset. We create asymmetric advantages with creativity and ingenuity. * What would it take? We challenge assumptions to deliver ambitious results. * It's the people. Our team is our competitive advantage and we are better together. YOUR MISSION As a Staff Mission Network Engineer, you will be a critical hands-on technical contributor responsible for the deployment, configuration, and operation of terrestrial and cloud network infrastructure supporting classified U.S. Government programs. You will work as part of the Mission Security Engineering team, executing against defined network architectures to deliver secure, compliant, and operational networks across multiple classification levels and locations across the United States. This is an execution-focused role for a senior network engineer who thrives in the field - someone equally comfortable racking hardware in a classified facility and configuring cloud network infrastructure in AWS. You will work across on-premise and IL-6+ cloud environments, partnering closely with the Staff Security Architect - Networks and cross-functional engineering teams to bring network designs to life and keep them running at mission tempo. This position requires an active Secret clearance to start, with the ability to obtain and maintain a TS/SCI. Responsibilities * Deploy, configure, and operate terrestrial network infrastructure for classified capabilities spanning multiple on-premise locations across the U.S., including switching, routing, cabling, and boundary protection hardware * Implement and maintain network configurations in AWS GovCloud and classified cloud environments, including VPCs, transit gateways, route tables, security groups, and network access controls * Configure and maintain network connectivity between AWS classified cloud environments, USG networks, and end-user physical networks in close coordination with cloud engineers * Implement endpoint networks connecting on-premise and IL-6+ cloud environments across geographically distributed sites * Deploy and configure network hardware in accordance with DoD Approved Products Lists (APLs) and Trade Agreements Act (TAA) compliance requirements * Implement and validate network security controls including boundary protection, traffic segmentation, filtering, and encrypted communications across classification domains * Implement and validate DISA STIG requirements at the network and infrastructure layer across on-premise and cloud environments * Identify and remediate network-layer findings from STIGs, vulnerability scans, and SCA activities to maintain ATO posture * Support RMF activities including network control implementation, STIG validation, and assessment preparation in coordination with ISSEs * Maintain accurate and up-to-date network documentation including topology diagrams, as-built configurations, and security artifacts required for ATO activities * Partner with ISSEs, industrial security personnel, cloud engineers, and the Staff Security Architect - Networks to ensure network deployments meet program security and compliance requirements * Deploy, configure, and operate NSA Type 1 cryptographic devices (including KG-175 TACLANE and KG-142 units) within terrestrial classified networks, ensuring proper integration with network infrastructure and compliance with NSA/CSS operational policies * Manage keying material (KEYMAT) handling, DTA transfers, and controlled cryptographic item (CCI) documentation in accordance with USG regulations and best practices * Troubleshoot and resolve NSA Type 1 device connectivity, configuration, and interoperability issues across classified terrestrial network environments * Troubleshoot and resolve network connectivity, configuration, and performance issues across classified on-premise and cloud environments Required Qualifications * 10+ years of hands-on experience in network engineering, with demonstrated experience deploying and operating classified DoD or IC networks at classification levels up to and including TS/SCI and special access networks * Active Secret clearance required; must be able to obtain and maintain TS/SCI * DoD 8140 IAT Level III certification (CASP+, CISSP, CISA, or equivalent) required * Deep expertise in IP networking including routing protocols, switching, VLANs, subnetting, QoS, and network boundary protection * Experience deploying and configuring network hardware in compliance with DoD APL and TAA requirements * Working knowledge of NIST SP 800-53 and how network controls are implemented, documented, and validated within the RMF process * Hands-on experience implementing STIGs at the network and infrastructure layer * Experience supporting RMF and ATO activities including control implementation and assessment preparation * Strong documentation skills, with experience producing network diagrams, as-built documentation, and hardware configuration records * Ability to collaborate effectively with ISSEs, architects, cloud engineers, and cross-functional program teams * Bachelor's degree in Computer Science, Cybersecurity, Engineering, Information Technology, or related field (or equivalent experience) Preferred Qualifications * Active Top Secret or TS/SCI clearance * Professional networking certifications (e.g., CCNP, CCIE, or equivalent) * Experience with AWS IL-6+ or Microsoft Azure IL-6+ classified cloud environments, including VPC/VNet design, transit gateway configuration, and network security controls * Experience supporting classified ground station or satellite Command & Control (C2) network infrastructure is a significant plus * Hands-on experience deploying, configuring, and operating NSA Type 1 cryptographic devices, including KG-175 (TACLANE) and/or KG-142 units, within terrestrial classified network environments * Familiarity with KEYMAT handling procedures, DTA transfer processes, and CCI inventory and documentation requirements * Experience with Cross Domain Solutions (CDS), data guards, or inter-domain network traffic control * Experience with NSA Type 1 cryptographic devices and their integration into classified network architectures * Familiarity with zero trust network architectures applied to classified or highly regulated environments * Experience supporting DoD or IC customers through ATO, re-ATO, or continuous authorization * Familiarity with Software Defined Networking (SDN) or network automation tooling Work Environment * Fast-paced, mission-critical environment supporting national security space operations * Requires coordination across distributed teams including spacecraft engineers, ground operations, and government partners * High degree of autonomy and ownership as a trusted, cleared team member * Occasional travel to government sites, classified facilities, launch facilities, or partner locations may be required What We Offer * Competitive salary commensurate with experience and clearance level * Opportunity to drive security posture for cutting-edge space systems with national security impact * Professional development support including conferences, training, and security certifications * Collaborative culture working alongside spacecraft engineers, mission operators, and experienced security professionals * Equity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave COMPENSATION * Base Salary: Denver - $170,000 - $250,000, Long Beach - $180,000 - $260,000 * Equity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, location, and experience. ADDITIONAL REQUIREMENTS * Work Location- Long Beach, CA, or Denver, CO. While we observe a hybrid work environment, you will need to be onsite as the business needs require. Onsite requirements are subject to change, particularly when work on classified systems is required. On an average week, you can expect to spend at least 3 days per week in office. * Work environment-the work environment; temperature, noise level, inside or outside, or other factors that will affect the person's working conditions while performing the job. * Physical demands-the physical demands of the job, including bending, sitting, lifting and driving. This position will be open until it is successfully filled. To submit your application, please follow the directions below. #LI-Onsite To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. True Anomaly is committed to equal employment opportunity on any basis protected by applicable state and federal laws. If you have a disability or additional need that requires accommodation, please do not hesitate to let us.